fix(log): fix log axis breaks a single data whose log value is negative

[Ovilia]

Brief Information

This pull request is in the type of:

• bug fixing
• new feature
• others

What does this PR do?

When the log axis contains only one data and its value is less than 1, echarts fail to render. This PR fixes this problem.

Fixed issues

#13154

Details

Before: What was the problem?

chart.setOption({
    xAxis: {
        type: 'value',
    },
    yAxis: {
        type: 'log',
        logBase: 2,
    },
    series: [
        {
            type: 'scatter',
            itemStyle: {
                color: 'red',
            },
            data: [
                [1, .5],
            ],
        },
    ],
});

After: How does it behave after the fixing?

Document Info

One of the following should be checked.

• This PR doesn't relate to document changes
• The document should be updated later
• The document changes have been made in apache/echarts-doc#xxx

Misc

ZRender Changes

• This PR depends on ZRender changes (ecomfe/zrender#xxx).

Related test cases or examples to use the new APIs

N.A.

Others

Merging options

• Please squash the commits into a single one when merging.

Other information

[echarts-bot]

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[echarts-bot]

Congratulations! Your PR has been merged. Thanks for your contribution! 👍